Home / 25,049.43-34,489.53-21,264.75

Finding the Fourth Proportional to 25,049.43, 34,489.53 and 21,264.75

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Solution

The fourth proportional to 25,049.43, 34,489.53 and 21,264.75 is: 29,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.43 : 34,489.53 = 21,264.75 : x
  2. Step 2: Convert to fraction form
    25,049.43/34,489.53 = 21,264.75/x
  3. Step 3: Cross multiply
    25,049.43x = 34,489.53 × 21,264.75
  4. Step 4: Simplify right side
    25,049.43x = 733,411,233.07
  5. Step 5: Solve for x
    x = 733,411,233.07/25,049.43
  6. Step 6: Final answer
    x = 29,278.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.